CN105262210A - System and method for analysis and early warning of substation network security - Google Patents
System and method for analysis and early warning of substation network security Download PDFInfo
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- CN105262210A CN105262210A CN201510603352.0A CN201510603352A CN105262210A CN 105262210 A CN105262210 A CN 105262210A CN 201510603352 A CN201510603352 A CN 201510603352A CN 105262210 A CN105262210 A CN 105262210A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The invention mainly discloses a system and a method for the analysis and the early warning of the substation network security based on a network message recording and analyzing instrument. The system comprises a network message recording and analyzing instrument, a communication module, secondary equipment, switches and a secondary equipment on-line monitoring and intelligent diagnosis system. The secondary equipment and the switches are arranged on each of all substation network layers respectively. The method for the analysis and the early warning of the substation network security is conducted based on the above system. The method comprises the steps of recording all massages of a dispatching data network, a station-level network and a process-level network in a substation by the above network message recording and analyzing instrument; analyzing and diagnosing the massages, generating an analysis file according to the diagnosed abnormal alarm, and reporting hidden troubles to the related operation and maintenance personnel by the scheduling and operating personnel at the substation according to the incidence report of the network security so as to eliminate the hidden troubles. The above system and method can be used for monitoring all substation network layers to rapidly realize the analysis and the early warning of network security problems that might influence the stable operation of the substation and timely eliminate potential security hazards. Therefore, the network environment of the substation is ensured to be safe and clean.
Description
Technical field
The present invention relates to network security, relate in particular to a kind of substation network safety analysis early warning system and method.
Background technology
In transformer station, especially intelligent substation, traditional cable replace by network.No matter be fiber optic network, or electric Ethernet, set up the bridge of linking up between all secondary devices of transformer station, bear the mission of substation safety stable operation.While the Internet makes rapid progress, network security is also more and more paid attention to.In order to ensure the network security of electric power system, various fire compartment wall and encryption device are widely applied, and mainly solve the network security problem of the dispatch data net access transformer station outside transformer station, have accomplished the isolation of transformer station's internal-external network.But each LAN in transformer station, once there is the problem having a strong impact on network security stable state, such as network storm, will affect substation safety stable operation.See thus, Real-Time Monitoring is carried out to substation network, a problem demanding prompt solution is become to substation network fail safe rapid analysis early warning.
At present, intelligent substation usual configuration network message accounting analyzer.This equipment real time record can preserve all-network message in transformer station certain hour, and to the message of specific protocol, as MMS, GOOSE, SV etc., can carry out off-line parsing, also can carry out some simple Real-time Alarm and statistics.But do not support to send in relevant information, more cannot realize Network security analysis early warning.
Summary of the invention
The object of the present invention is to provide a kind of substation network safety analysis early warning system, for each layer network of Real-Time Monitoring transformer station, rapid analysis early warning affects the Network Security Issues of transformer station's stable operation, eliminates safe hidden trouble in time, ensures the network environment that substation safety is clean.
Object of the present invention realizes by following technical measures:
A kind of substation network safety analysis early warning system, comprises secondary device, switch, secondary device in-service monitoring and the intelligent diagnosis system on network message recorder analyser, communication module, each layer network of transformer station.
Described network message recorder analyser carries out MMS by described communication module with secondary device in-service monitoring and intelligent diagnosis system and communicates; Secondary device in-service monitoring and the alarm of intelligent diagnosis system Real-time Obtaining Network Abnormal, and call analysis and early warning message file to carry out visual presentation by the mode of general file, Network Abnormal alarm is forwarded main website notice management and running personnel simultaneously.
Adopt subnetting to divide mission mode to the network real-time monitoring of described transformer station, adopt independent task to carry out analysis and early warning respectively to the network of each access monitoring, improve real-time and the operational efficiency of system.
Design analysis prediction policy storehouse on described network message recorder analyser, corresponding analysis and early warning strategy determines corresponding abnormality alarming information, and divides alarm grade to abnormality alarming; Simultaneously according to the dispatching data network of transformer station, station level network, the feature of process-level network and the monitoring target of requirement, from analysis and early warning policy library, select the analysis and early warning strategy formulating institute's monitoring network respectively.
When described network message recorder analyser is by modeling tool apparatus for establishing model, according to the order of severity of network security abnormality alarming, abnormality alarming grade should be distinguished by data set (dsAlarm, dsWarning).Described communication module send abnormality alarming by report-control block in real time, and provides in file service and send analysis and early warning message file.
A further object of the present invention is to provide a kind of method using said system to carry out substation network safety analysis early warning, comprises the following steps:
(1) all messages of dispatching data network, station level network and process-level network in network message recorder analyser record transformer station;
Wherein, all messages of dispatching data network comprise the legal message of permission agreement proper communication between boss station and may there is the invalid packet affecting network security;
The all messages of station level network comprise station level equipment room, the legal message of permission agreement proper communication between station level equipment and bay device and may there is the invalid packet affecting network security;
The all messages of process-level network comprise the legal message of permission agreement proper communication between bay device and process layer devices, between process layer devices and may there is the invalid packet affecting network security;
(2) to the all-network message of record in step (1), adopt Network security analysis warning module to carry out rapid analysis diagnosis, produce abnormality warnings;
(3) according to the abnormality alarming diagnosed out in step (2), generate a kind of general file of labor early warning information and send corresponding abnormality alarming to secondary device in-service monitoring and intelligent diagnosis system;
(4) according to the abnormality alarming in step (3) and detailed analysis and early warning information, transformer station carries out removing the hidden trouble with management and running personnel according to the relevant O&M maintainer of network security influence degree report of abnormal information.
In step (2), the basis for estimation that described Network security analysis warning module carries out rapid analysis diagnosis sets up analysis and early warning strategy, triggers abnormality alarming information when Network Abnormal occurs, and generate a detailed analysis and early warning message file;
In step (3), abnormality alarming and analysis and early warning message file are issued secondary device in-service monitoring and intelligent diagnosis system by communication module MMS (Microsoft Media Server) Protocol.
In step (4), except network message recorder analyser can realize except display abnormality alarming and detailed early warning information in native monitoring interface, described secondary device in-service monitoring and intelligent diagnosis system also can show abnormality alarming in real time, and obtain the visual presentation that early warning information file carries out early warning information, thus quick position affects the reason of network security.
The present invention contrasts prior art, has the following advantages:
The present invention, on the basis of legacy network message accounting analyzer, expands its function, carries out Real-Time Monitoring by Network security analysis warning module to each network of transformer station according to the analysis and early warning strategy formulated.When monitor network exists exception message time, carry out real-time abnormality alarming and generate analysis and early warning message file, and carrying out visual presentation at its monitoring interface.
The each internet security of Real-Time Monitoring transformer station of the present invention, and carry out analysis and early warning, energy Timeliness coverage Network Security Issues, ensures substation safety stable operation.
The present invention expands its function on the basis of original network message recorder analyser, can get rid of substation network potential safety hazard in fast finding location.Not only save hardware cost and R&D costs, and decreased the human input of transformer station's O&M maintenance, have huge economic benefit.
Accompanying drawing explanation
Fig. 1 is substation network safety analysis early warning system structural representation of the present invention;
Fig. 2 is substation network safety analysis method for early warning schematic diagram of the present invention.
Embodiment
The invention provides the system and method that a kind of message accounting analyzer Network Based realizes substation network safety analysis early warning.This system comprises secondary device, switch, secondary device in-service monitoring and intelligent diagnosis system on network message recorder analyser, communication module, each layer network of transformer station.
Described network message recorder analyser carries out MMS by described communication module with secondary device in-service monitoring and intelligent diagnosis system and communicates.Secondary device in-service monitoring and the alarm of intelligent diagnosis system Real-time Obtaining Network Abnormal, and call analysis and early warning message file to carry out visual presentation by the mode of general file, Network Abnormal alarm is forwarded main website notice management and running personnel simultaneously.
Adopt subnetting to divide mission mode to the network real-time monitoring of described transformer station, adopt independent task to carry out analysis and early warning respectively to the network of each access monitoring, improve real-time and the operational efficiency of system.
Design analysis prediction policy storehouse on described network message recorder analyser, corresponding analysis and early warning strategy determines corresponding abnormality alarming information, and divides alarm grade to abnormality alarming.Simultaneously according to the dispatching data network of transformer station, station level network, the feature of process-level network and the monitoring target of requirement, from analysis and early warning policy library, select the analysis and early warning strategy formulating institute's monitoring network respectively.
When described network message recorder analyser is by modeling tool apparatus for establishing model, according to the order of severity of network security abnormality alarming, abnormality alarming grade should be distinguished by data set (dsAlarm, dsWarning).Described communication module send abnormality alarming by report-control block in real time, and provides in file service and send analysis and early warning message file.
This system realizes substation network safety analysis method for early warning, as shown in Figure 2, specifically comprises the steps:
(1) the analysis and early warning strategy of each network of configuration network message accounting analyzer access transformer station, and modeling is carried out to network message recorder analyser;
(2) network message recorder accesses the message data gathering each network of transformer station respectively, and carries out real-time analysis and diagnosis according to analysis and early warning strategy to the message data gathered;
(3) when diagnosis is to Network Abnormal, trigger abnormality alarming information, and generate a detailed analysis and early warning message file.
(4) abnormality alarming and analysis and early warning information are outside network message recorder analyser monitoring interface visual presentation, above give secondary device in-service monitoring and intelligent diagnosis system notice substation operation personnel and management and running personnel.
Also combine concrete enforcement according to Figure of description to be below described in further detail technical scheme of the present invention.
Give in fig. 1 and realize system configuration of the present invention signal, and network message recorder analyser mainly comprises the functional modules such as analysis and early warning policy library, mounted cast, message acquisition module, analysis and early warning module, communication module, alarm be visual.Just the major function of each functional module and realization are illustrated respectively below:
(1) analysis and early warning policy library
Be integrated into a storehouse according to the strategy of internet security monitoring target planned network safety analysis early warning, select the analysis and early warning strategy formulating institute's monitoring network for analysis and early warning module from policy library.Carry out safety monitoring to network and usually there is multiple monitoring target, namely strategy needed for analysis and early warning module is many strategies of corresponding monitoring target.
The design of analysis and early warning policy library is as follows, can increase strategy accordingly according to the increase in demand of monitoring target.
(2) mounted cast
Network message recorder analyser adopts " DL/T860 substation communication network and system " series standard to carry out modeling, should meet the uniformity test of this standard.According to internet security abnormality alarming grade during modeling, high severity alarm is included into data set dsAlarm, minor alarm is included into data set dsWarning.
(3) message acquisition module
Message acquisition module gathers and records the network message storing certain hour by interface, the message of Real-time Collection is supplied to analysis and early warning module to carry out analyzing and diagnosing.
Message acquisition interface has electric Ethernet interface and optical fiber interface usually.Dispatching data network and station level network can adopt different electric Ethernet interface collection network messages respectively, and process-level network can adopt optical fiber interface collection network message.In addition, under the pattern of Substation process-level GOOSE and SV difference networking, the different corresponding network messages of optical fiber interface collection can be adopted respectively.
(4) analysis and early warning module
For dispatching data network, station level network and process-level network message that message acquisition interface gathers respectively, point task is carried out real-time analysis according to the corresponding strategy formulated and is filtered diagnosis and early warning.
Analyzing and diagnosing goes out Network Abnormal alarm, triggers corresponding alarm and passes to communication module by inside story and monitoring interface carries out alarm visual presentation.
Be limited to the abnormality alarming information that agreement can transmit relatively simple, getting rid of Network Security Vulnerabilities needs more detailed analysis and early warning information could quick positioning question place.Therefore, analysis and early warning module, when analyzing and diagnosing goes out Network Abnormal alarm, also needs to generate an analysis and early warning message file accordingly.
Analysis and early warning information file name is defined as xxxx (year 4) xx (moon 2) xx (day 2) _ xx (time 2) xx (point 2) xx (second 2) _ xxx (millisecond 3) .net, wherein the time is that moment, such as 20150527_103030_500.net occur abnormality alarming.
Analysis and early warning message file adopts XML format, and element definition is as follows:
(1) root element (Net)
| Attribute | Explanation | Type | M/O |
| station_name | Transformer station's title | STRING 100 | M |
| net_name | The network name of monitoring | STRING 100 | M |
| Daughter element | Explanation | Number | |
| AlarmMsg | Warning information is described | >＝1 |
(2) warning information (AlarmMsg)
Analysis and early warning Information File Formats and content carry out corresponding modify after also can consulting with interested party.
(5) communication module
Communication module is responsible for carrying out MMS with secondary device in-service monitoring and intelligent diagnosis system and is communicated.After analysis and early warning module triggers abnormality alarming, immediately abnormality alarming is sent to the other side by report-control block, respond the other side by file service simultaneously and call analysis and early warning message file.In addition, communication module also can with other system communication, such as monitor backstage.
(6) alarm is visual
Secondary device in-service monitoring and intelligent diagnosis system can carry out abnormality alarming and detailed analysis and early warning information display.Network message recorder analyser access display device, also directly can carry out abnormality alarming and detailed analysis and early warning information display at monitoring interface.Visual by alarm, can rapid analysis fixer network potential safety hazard.
The above is only a kind of execution mode of invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement and adjustment, these improve and adjustment all should be considered as protection scope of the present invention.
Finally brightly be, this kind of message accounting analyzer Network Based realizes the method for substation network safety analysis early warning, be not limited to substation network monitoring, be also applicable to power plant monitoring and control network monitor, be even applicable to the network monitor of other industrial control fields.This system has very strong autgmentability, can carry out otherwise analysis, diagnosis, statistics etc. for network message.
Claims (9)
1. a substation network safety analysis early warning system, is characterized in that comprising secondary device, switch, secondary device in-service monitoring and the intelligent diagnosis system on network message recorder analyser, communication module, each layer network of transformer station;
Described network message recorder analyser carries out MMS by described communication module with secondary device in-service monitoring and intelligent diagnosis system and communicates; Described secondary device in-service monitoring and the alarm of intelligent diagnosis system Real-time Obtaining Network Abnormal, and call analysis and early warning message file to carry out visual presentation by the mode of general file, Network Abnormal alarm is forwarded main website notice management and running personnel simultaneously.
2. system according to claim 1, it is characterized in that: adopt subnetting to divide mission mode to the network real-time monitoring of described transformer station, adopt independent task to carry out analysis and early warning respectively to the network of each access monitoring, improve real-time and the operational efficiency of system.
3. system according to claim 1, is characterized in that: design analysis prediction policy storehouse on described network message recorder analyser, and corresponding analysis and early warning strategy determines corresponding abnormality alarming information, and divides alarm grade to abnormality alarming; Simultaneously according to the dispatching data network of transformer station, station level network, the feature of process-level network and the monitoring target of requirement, from analysis and early warning policy library, select the analysis and early warning strategy formulating institute's monitoring network respectively.
4. system according to claim 1, is characterized in that: when described network message recorder analyser is by modeling tool apparatus for establishing model, according to the order of severity of network security abnormality alarming, should distinguish abnormality alarming grade by data set; Described communication module send abnormality alarming by report-control block in real time, and provides in file service and send analysis and early warning message file.
5. use system described in claim 1 to carry out a method for substation network safety analysis early warning, it is characterized in that comprising the following steps:
(1) all messages of dispatching data network, station level network and process-level network in network message recorder analyser record transformer station;
(2) to the all-network message of record in step (1), adopt Network security analysis warning module to carry out rapid analysis diagnosis, produce abnormality warnings;
(3) according to the abnormality alarming diagnosed out in step (2), generate the general file of labor early warning information and send corresponding abnormality alarming to secondary device in-service monitoring and intelligent diagnosis system;
(4) according to the abnormality alarming in step (3) and detailed analysis and early warning information, transformer station carries out removing the hidden trouble with management and running personnel according to the relevant O&M maintainer of network security influence degree report of abnormal information.
6. method according to claim 5, is characterized in that: in step (1), and all messages of dispatching data network comprise the legal message of permission agreement proper communication between boss station and may there is the invalid packet affecting network security;
The all messages of station level network comprise station level equipment room, the legal message of permission agreement proper communication between station level equipment and bay device and may there is the invalid packet affecting network security;
The all messages of process-level network comprise the legal message of permission agreement proper communication between bay device and process layer devices, between process layer devices and may there is the invalid packet affecting network security.
7. method according to claim 5, it is characterized in that: in step (2), the basis for estimation that described Network security analysis warning module carries out rapid analysis diagnosis sets up analysis and early warning strategy, trigger abnormality alarming information when Network Abnormal occurs, and generate a detailed analysis and early warning message file.
8. method according to claim 5, is characterized in that: in step (3), and abnormality alarming and analysis and early warning message file are issued secondary device in-service monitoring and intelligent diagnosis system by communication module MMS (Microsoft Media Server) Protocol.
9. method according to claim 5, it is characterized in that: in step (4), except network message recorder analyser can realize except display abnormality alarming and detailed early warning information in native monitoring interface, described secondary device in-service monitoring and intelligent diagnosis system also show abnormality alarming in real time, and obtain the visual presentation that early warning information file carries out early warning information, thus quick position affects the reason of network security.
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| CN105529831A (en) * | 2016-02-02 | 2016-04-27 | 江苏省电力公司电力科学研究院 | Auxiliary fault analysis system for secondary equipment of intelligent substation |
| CN106652372A (en) * | 2017-01-19 | 2017-05-10 | 贵州黔源电力股份有限公司 | Alarm system and method for hydropower remote control platform |
| CN107241232A (en) * | 2017-07-28 | 2017-10-10 | 国电南瑞科技股份有限公司 | A kind of fault location system and method suitable for dispatching automation network analysis |
| CN107483444A (en) * | 2017-08-22 | 2017-12-15 | 北京邮电大学 | A kind of intelligent grid information transmission security protector and safety protecting method |
| CN108288875A (en) * | 2017-12-20 | 2018-07-17 | 海南电网有限责任公司 | A kind of relay protection intelligent alarm method and system opened based on multi-source data with check analysis |
| CN109217920A (en) * | 2017-07-06 | 2019-01-15 | 国网冀北电力有限公司 | A kind of point-to-point optical fiber online monitoring system and on-line monitoring method |
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| CN110768846A (en) * | 2019-10-31 | 2020-02-07 | 国网四川省电力公司阿坝供电公司 | Intelligent substation network safety protection system |
| CN110852900A (en) * | 2019-11-04 | 2020-02-28 | 国网江苏省电力有限公司无锡供电分公司 | Method for communication between secondary equipment online monitoring and diagnosis device and scheduling master station |
| CN111200315A (en) * | 2018-11-19 | 2020-05-26 | 南京南瑞继保电气有限公司 | Transformer substation monitoring background fault diagnosis system and method |
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| CN111987794A (en) * | 2020-07-09 | 2020-11-24 | 国网山东省电力公司青岛供电公司 | Intelligent substation on-line monitoring and fault analysis system |
| CN112769867A (en) * | 2021-02-05 | 2021-05-07 | 国网福建省电力有限公司电力科学研究院 | Safety assessment method for transformer substation simulation equipment |
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| CN117544528A (en) * | 2023-12-27 | 2024-02-09 | 广州思泰信息技术有限公司 | Communication message monitoring and analyzing method, system, terminal and storage medium |
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| CN107483444A (en) * | 2017-08-22 | 2017-12-15 | 北京邮电大学 | A kind of intelligent grid information transmission security protector and safety protecting method |
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| CN111200315A (en) * | 2018-11-19 | 2020-05-26 | 南京南瑞继保电气有限公司 | Transformer substation monitoring background fault diagnosis system and method |
| CN111200315B (en) * | 2018-11-19 | 2022-07-22 | 南京南瑞继保电气有限公司 | Transformer substation monitoring background fault diagnosis system and method |
| CN109391038A (en) * | 2018-12-24 | 2019-02-26 | 积成电子股份有限公司 | A kind of dispositions method of intelligent substation interval observing and controlling function |
| CN110768846A (en) * | 2019-10-31 | 2020-02-07 | 国网四川省电力公司阿坝供电公司 | Intelligent substation network safety protection system |
| CN110852900A (en) * | 2019-11-04 | 2020-02-28 | 国网江苏省电力有限公司无锡供电分公司 | Method for communication between secondary equipment online monitoring and diagnosis device and scheduling master station |
| CN110852900B (en) * | 2019-11-04 | 2022-08-12 | 国网江苏省电力有限公司无锡供电分公司 | Method for communication between secondary equipment online monitoring and diagnosis device and scheduling master station |
| CN112987604A (en) * | 2019-12-18 | 2021-06-18 | 中国东方电气集团有限公司 | Network safety monitoring and real-time warning system and method for power generation equipment |
| CN111367217A (en) * | 2020-03-20 | 2020-07-03 | 北京四方继保自动化股份有限公司 | Monitoring method for improving inter-station communication safety of stability control system |
| CN111987794A (en) * | 2020-07-09 | 2020-11-24 | 国网山东省电力公司青岛供电公司 | Intelligent substation on-line monitoring and fault analysis system |
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| CN117544528A (en) * | 2023-12-27 | 2024-02-09 | 广州思泰信息技术有限公司 | Communication message monitoring and analyzing method, system, terminal and storage medium |
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Application publication date: 20160120 |